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authorMartin Storsjö <martin@martin.st>2013-07-31 12:45:33 +0300
committerMartin Storsjö <martin@martin.st>2013-08-01 09:41:21 +0300
commit1851e1d05d06f6ef3436c667e4354da0f407b226 (patch)
tree54e908e5908d78820f677acdcb107e7b5c6f9850 /libavformat/rtpproto.c
parent7748dd41be3d6dd6300f14263586af4ee104ead2 (diff)
rtpproto: Check the size before reading buf[1]
I doubt that anyone ever would try to send a 1 byte packet via the RTP protocol, but check just in case - it shouldn't crash at least. Signed-off-by: Martin Storsjö <martin@martin.st>
Diffstat (limited to 'libavformat/rtpproto.c')
-rw-r--r--libavformat/rtpproto.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/libavformat/rtpproto.c b/libavformat/rtpproto.c
index 4e177b935d..b21c1219c8 100644
--- a/libavformat/rtpproto.c
+++ b/libavformat/rtpproto.c
@@ -368,6 +368,9 @@ static int rtp_write(URLContext *h, const uint8_t *buf, int size)
int ret;
URLContext *hd;
+ if (size < 2)
+ return AVERROR(EINVAL);
+
if (RTP_PT_IS_RTCP(buf[1])) {
/* RTCP payload type */
hd = s->rtcp_hd;